National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

50°F

10°C

Humidity 46%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 17 Apr 03:10 AM PDT
Extended Forecast for

2 Miles SSW Cupertino CA

  • Overnight

    Overnight: Clear, with a low around 44. North wind around 8 mph.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. North wind 3 to 8 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West northwest wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 66.

    High: 66 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Clear, with a low around 44. North wind around 8 mph.
Friday
Sunny, with a high near 71. North wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 46. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 73.
Sunday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 49.
Monday
Rain likely. Mostly cloudy, with a high near 66.
Monday Night
A chance of rain. Mostly cloudy, with a low around 48.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Cupertino CA
 37.28°N 122.06°W (Elev. 666 ft)
Last Update:
2:27 am PDT Apr 17, 2026
Forecast Valid:
3am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation